As engineers, or just as humans, we all love toys, right?? But have you taken the time to see how they are made? We take a look at the history and the manufacturing process behind some of the most popular toys of all time, including:

Lego

Play-Doh

Etch-a-sketch

Crayola crayons

Do you have more toys that you would like us to investigate? Emails us at [email protected] and we'll get them added to the next "How It's Made" episode!